document.write( "Question 1170164: How many different committees can be formed from 9 teachers and 33 students if the committee consists of 2 teachers and 2 ​students?
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Algebra.Com's Answer #795025 by ikleyn(52781)\"\" \"About 
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document.write( "You select 2 teachers from 9 teachers in  \"C%5B9%5D%5E2\" = \"%289%2A8%29%2F2\" = 36 ways.\r\n" );
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document.write( "You select 2 students from 33 teachers in  \"C%5B33%5D%5E2\" = \"%2833%2A32%29%2F2\" = 528 ways.\r\n" );
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document.write( "These selections in different categories are independent - - - THEREFORE, the total number of all possible different selections\r\n" );
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document.write( "is the product  36*528 = 19008.     ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "This problem is on  COMBINATIONS.\r
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\n" ); document.write( "\n" ); document.write( "On Combinations,  see introductory lessons\r
\n" ); document.write( "\n" ); document.write( "    - Introduction to Combinations\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-II in this site\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic  \"Combinatorics: Combinations and permutations\". \r
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\n" ); document.write( "\n" ); document.write( "Save the link to this textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-II
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